Add function to build order confirmation email

Author: orenvr

src/emailservice/mail_helpers.py

@@ -0,0 +1,14 @@
+from email.message import EmailMessage
+
+def build_order_confirmation_email(name: str, email: str, order_id: str, body: str) -> EmailMessage:
+    """
+    Build a simple order confirmation email.
+
+    NOTE: This is a straightforward implementation focused on functionality.
+    """
+    msg = EmailMessage()
+    msg["From"] = "Hipster Shop <[email protected]>"
+    msg["To"] = f"{name} <{email}>"
+    msg["Subject"] = f"Thanks {name}, your order #{order_id} is confirmed"
+    msg.set_content(body or "Your order has been received and is being processed.")
+    return msg